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2030 Aluminum vs. EN 1.4659 Stainless Steel

2030 aluminum belongs to the aluminum alloys classification, while EN 1.4659 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 2030 aluminum and the bottom bar is EN 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
210
Elongation at Break, % 5.6 to 8.0
49
Fatigue Strength, MPa 91 to 110
460
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
81
Shear Strength, MPa 220 to 250
640
Tensile Strength: Ultimate (UTS), MPa 370 to 420
900
Tensile Strength: Yield (Proof), MPa 240 to 270
480

Thermal Properties

Latent Heat of Fusion, J/g 390
300
Maximum Temperature: Mechanical, °C 190
1100
Melting Completion (Liquidus), °C 640
1480
Melting Onset (Solidus), °C 510
1430
Specific Heat Capacity, J/kg-K 870
460
Thermal Conductivity, W/m-K 130
12
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 99
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
37
Density, g/cm3 3.1
8.2
Embodied Carbon, kg CO2/kg material 8.0
6.5
Embodied Energy, MJ/kg 150
89
Embodied Water, L/kg 1140
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
370
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 530
550
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
24
Strength to Weight: Axial, points 33 to 38
31
Strength to Weight: Bending, points 37 to 40
25
Thermal Diffusivity, mm2/s 50
3.2
Thermal Shock Resistance, points 16 to 19
19

Alloy Composition

Aluminum (Al), % 88.9 to 95.2
0
Bismuth (Bi), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0 to 0.1
23 to 25
Copper (Cu), % 3.3 to 4.5
1.0 to 2.0
Iron (Fe), % 0 to 0.7
35.7 to 45.7
Lead (Pb), % 0.8 to 1.5
0
Magnesium (Mg), % 0.5 to 1.3
0
Manganese (Mn), % 0.2 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 0
5.5 to 6.5
Nickel (Ni), % 0
21 to 23
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.8
0 to 0.7
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.2
0
Tungsten (W), % 0
1.5 to 2.5
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.3
0